yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/StringTypeEffectiveStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type;
   9
  10 import javax.annotation.Nonnull;
  11 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  12 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  13 import org.opendaylight.yangtools.yang.model.api.stmt.PatternEffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  16 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
  17 import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
  18 import org.opendaylight.yangtools.yang.model.util.type.InvalidLengthConstraintException;
  19 import org.opendaylight.yangtools.yang.model.util.type.RestrictedTypes;
  20 import org.opendaylight.yangtools.yang.model.util.type.StringTypeBuilder;
  21 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.DeclaredEffectiveStatementBase;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.length.LengthEffectiveStatementImpl;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  24 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 final class StringTypeEffectiveStatementImpl extends DeclaredEffectiveStatementBase<String, TypeStatement>
  29         implements TypeEffectiveStatement<TypeStatement> {
  30     private static final Logger LOG = LoggerFactory.getLogger(StringTypeEffectiveStatementImpl.class);
  31     private final StringTypeDefinition typeDefinition;
  32
  33     StringTypeEffectiveStatementImpl(
  34             final StmtContext<String, TypeStatement, EffectiveStatement<String, TypeStatement>> ctx,
  35             final StringTypeDefinition baseType) {
  36         super(ctx);
  37
  38         final StringTypeBuilder builder = RestrictedTypes.newStringBuilder(baseType,
  39             AbstractTypeStatementSupport.typeEffectiveSchemaPath(ctx));
  40
  41         for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  42             if (stmt instanceof LengthEffectiveStatementImpl) {
  43                 final LengthEffectiveStatementImpl length = (LengthEffectiveStatementImpl)stmt;
  44
  45                 try {
  46                     builder.setLengthConstraint(length, length.argument());
  47                 } catch (IllegalStateException e) {
  48                     throw new SourceException(ctx.getStatementSourceReference(), e,
  49                             "Multiple length constraints encountered");
  50                 } catch (InvalidLengthConstraintException e) {
  51                     throw new SourceException(ctx.getStatementSourceReference(), e, "Invalid length constraint %s",
  52                         length.argument());
  53                 }
  54             }
  55             if (stmt instanceof PatternEffectiveStatement) {
  56                 final PatternConstraint pattern = ((PatternEffectiveStatement)stmt).argument();
  57                 if (pattern != null) {
  58                     builder.addPatternConstraint(pattern);
  59                 } else {
  60                     LOG.debug("Ignoring empty pattern statement {}", stmt);
  61                 }
  62             }
  63             if (stmt instanceof UnknownSchemaNode) {
  64                 builder.addUnknownSchemaNode((UnknownSchemaNode)stmt);
  65             }
  66         }
  67
  68         typeDefinition = builder.build();
  69     }
  70
  71     @Nonnull
  72     @Override
  73     public StringTypeDefinition getTypeDefinition() {
  74         return typeDefinition;
  75     }
  76 }